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int0^(pi/2) (sin^ntheta)/(sin^(n) theta ...

`int_0^(pi/2) (sin^ntheta)/(sin^(n) theta + cos^(n) theta) d theta ` is equal to

A

1

B

0

C

`pi/2`

D

`pi/4`

Text Solution

Verified by Experts

The correct Answer is:
D
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